The Southern Company (SOMN)

The Southern Company at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

The Southern Company (SOMN) is a Regulated Electric company based in US with a market capitalization of $56B. Revenue grew 10.6% year-over-year and free cash flow was negative at -$3.6B. This page tracks SOMN's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 28.31K employees · IPO Nov 4, 2025

Valuation

Valuation & price

$50.51 · as of May 17, 2026 · -6.3% vs 52w high

13.1

P/E ratio

Latest-FY diluted EPS

1.55

P/B ratio

Market cap ÷ book equity

Dividend yield

Price — last 12 months

$53.92$51.01$48.10Nov 25Mar 26Jul 26Nov 4, 25$50.05Nov 5, 25$49.65Nov 6, 25$49.95Nov 10, 25$50.10Nov 11, 25$50.25Nov 12, 25$50.12Nov 14, 25$49.93Nov 17, 25$50.07Nov 19, 25$49.59Nov 20, 25$49.42Nov 21, 25$49.82Nov 25, 25$49.91Nov 26, 25$50.30Nov 28, 25$51.08Dec 2, 25$49.88Dec 3, 25$49.60Dec 5, 25$49.25Dec 8, 25$49.02Dec 9, 25$49.25Dec 11, 25$48.33Dec 12, 25$48.10Dec 15, 25$48.99Dec 17, 25$49.48Dec 18, 25$49.52Dec 22, 25$49.21Dec 23, 25$49.30Dec 24, 25$49.91Dec 29, 25$50.16Dec 30, 25$49.88Dec 31, 25$50.36Jan 5, 26$49.57Jan 6, 26$49.89Jan 8, 26$49.71Jan 9, 26$49.63Jan 12, 26$49.64Jan 14, 26$50.27Jan 15, 26$50.27Jan 16, 26$50.20Jan 21, 26$50.20Jan 22, 26$49.89Jan 26, 26$50.34Jan 27, 26$50.05Jan 28, 26$50.22Jan 30, 26$51.25Feb 2, 26$50.43Feb 3, 26$51.15Feb 5, 26$51.02Feb 6, 26$51.14Feb 10, 26$51.11Feb 11, 26$51.46Feb 12, 26$52.37Feb 17, 26$52.27Feb 18, 26$51.47Feb 19, 26$53.16Feb 23, 26$53.08Feb 24, 26$53.26Feb 26, 26$53.70Feb 27, 26$53.30Mar 2, 26$53.45Mar 4, 26$53.92Mar 5, 26$53.54Mar 6, 26$53.72Mar 10, 26$53.23Mar 11, 26$53.17Mar 13, 26$52.81Mar 16, 26$52.59Mar 17, 26$52.59Mar 19, 26$51.56Mar 20, 26$50.76Mar 23, 26$50.57Mar 25, 26$51.08Mar 26, 26$51.40Mar 30, 26$51.93Mar 31, 26$51.40Apr 1, 26$51.94Apr 6, 26$51.82Apr 7, 26$51.92Apr 8, 26$51.93Apr 10, 26$52.05Apr 13, 26$51.59Apr 15, 26$51.23Apr 16, 26$51.45Apr 17, 26$51.21Apr 21, 26$50.31Apr 22, 26$49.95Apr 23, 26$51.08Apr 27, 26$50.88Apr 28, 26$50.92Apr 30, 26$52.03May 1, 26$51.92May 4, 26$51.65May 6, 26$50.78May 7, 26$50.40May 8, 26$50.51May 12, 26$50.91May 13, 26$50.75May 15, 26$50.51May 18, 26$50.99May 19, 26$51.53May 21, 26$51.31May 22, 26$51.68May 26, 26$51.24May 28, 26$50.81May 29, 26$50.30Jun 2, 26$50.02Jun 3, 26$49.91Jun 4, 26$50.24Jun 8, 26$49.88Jun 9, 26$50.68Jun 10, 26$50.96Jun 12, 26$49.20Jun 15, 26$49.35Jun 17, 26$48.82Jun 18, 26$48.92Jun 22, 26$48.73Jun 24, 26$50.17Jun 25, 26$49.82Jun 26, 26$50.27Jun 30, 26$49.74Jul 2, 26$50.67
$48.1052-week range$53.92
Loading valuation history…

Fundamentals

Key fundamentals

$56B

Market cap

10.6%

Revenue growth (YoY)

29.8%

Gross margin

-$3.6B

Free cash flow (USD)

$64.2B

Net debt

0.6%

Share dilution

4/5

Graham criteria passed

Defensive-investor screen

Utilities

Sector

Trajectory

Long-term trends

Revenue by year

20162025

FY 2016$19.9BFY 2017$23.0BFY 2018$23.5BFY 2019$21.4BFY 2020$20.4BFY 2021$23.1BFY 2022$29.3BFY 2023$25.3BFY 2024$26.7BFY 2025$29.6B
$19.9B$29.6B

Free cash flow by year

20162025

FY 2016$-2.4BFY 2017$-1.0BFY 2018$-1.1BFY 2019$-1.8BFY 2020$-745.0MFY 2021$-1.1BFY 2022$-1.6BFY 2023$-1.5BFY 2024$833.0MFY 2025$-3.6B
-$2.4B-$3.6B

Gross margin by year

20212025

FY 202144.3%FY 202236.3%FY 202346.4%FY 202449.9%FY 202529.8%
44.3%29.8%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

3

Insider sells · 90 days

Earnings

Last report: 10-Q filed Apr 30, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $10KKim Matthew M. · Comptroller · $9.6KJul 2, 2026Filing
  • 8-K eventShare Issuance AgreementJun 8, 2026Filing
  • FinancingSecurities RegistrationJun 5, 2026Filing
  • Insider sellInsider Sell $9KKim Matthew M. · Comptroller · $9.1KJun 1, 2026Filing
  • 8-K eventAnnual Meeting ResultsMay 15, 2026Filing
  • Insider sellInsider Sell $10KKim Matthew M. · Comptroller · $9.7KMay 4, 2026Filing
  • Quarterly report10-Q FiledApr 30, 2026Filing
  • 8-K eventEarnings ReleaseApr 30, 2026Filing

Questions

Frequently asked questions

What is The Southern Company's market cap?

The Southern Company (SOMN) has a market capitalization of $56B.

What is SOMN's P/E ratio?

SOMN trades at a price-to-earnings ratio of 13.1, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is SOMN's price-to-book (P/B) ratio?

SOMN trades at 1.55 times book value per share.

Are insiders buying SOMN stock?

SEC Form 4 filings show no open-market insider buys at The Southern Company in the last 90 days (3 sells).

Same arena

Related companies in Regulated Electric

Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

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News

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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.